Select the correct option that will fill in the blank and complete the series.

1024, ?, 1600, 2000, 2500, 3125

Which number will replace the question mark (?) in the following series?
16, 24, 36, ?, 81

Choose the correct option which complete the series.
ADG, XVT, BEH, WUS, ?

Fill in the blank by suitable letters.
a_c_ba_ca_cb

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
122, 197, 290, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
AY, CW, EU, ?

Find the wrong number in the series.
2, 9,5, 36, 125, 648

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
5, 11, 21, 43, 85, ?